{"id":"CVE-2024-39514","aliases":["EUVD-2024-38040","GHSA-4388-wh4q-8vc6"],"status":"published","title":"Junos OS and Junos OS Evolved: Receiving specific traffic on devices with EVPN-VPWS with IGMP-snooping enabled will cause the rpd to crash","description":"An Improper Check or Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).\n\nAn attacker can send specific traffic to the device, which causes the rpd to crash and restart. Continued receipt of this traffic will result in a sustained DoS condition.\n\nThis issue only affects devices with an EVPN-VPWS instance with IGMP-snooping enabled.\n\nThis issue affects Junos OS: \n  *  All versions before 20.4R3-S10, \n  *  from 21.4 before 21.4R3-S6, \n  *  from 22.1 before 22.1R3-S5, \n  *  from 22.2 before 22.2R3-S3, \n  *  from 22.3 before 22.3R3-S2, \n  *  from 22.4 before 22.4R3, \n  *  from 23.2 before 23.2R2;\n\n\nJunos OS Evolved: \n  *  All versions before 20.4R3-S10-EVO, \n  *  from 21.4-EVO before 21.4R3-S6-EVO, \n  *  from 22.1-EVO before 22.1R3-S5-EVO, \n  *  from 22.2-EVO before 22.2R3-S3-EVO, \n  *  from 22.3-EVO before 22.3R3-S2-EVO, \n  *  from 22.4-EVO before 22.4R3-EVO, \n  *  from 23.2-EVO before 23.2R2-EVO.","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00246,"percentile":0.15999,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-703"],"published":"2024-07-10T23:05:27Z","modified":"2026-06-17T07:42:05Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper","product":"junos_os_evolved"},{"vendor":"juniper networks","product":"junos os"},{"vendor":"juniper networks","product":"junos os evolved"}],"references":[{"url":"https://supportportal.juniper.net/JSA82980","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-39514"},{"url":"https://github.com/advisories/GHSA-4388-wh4q-8vc6"}],"sources":{"cve":[{"id":"CVE-2024-39514","title":"Junos OS and Junos OS Evolved: Receiving specific traffic on devices with EVPN-VPWS with IGMP-snooping enabled will cause the rpd to crash","description":"An Improper Check or Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).\n\nAn attacker can send specific traffic to the device, which causes the rpd to crash and restart. Continued receipt of this traffic will result in a sustained DoS condition.\n\nThis issue only affects devices with an EVPN-VPWS instance with IGMP-snooping enabled.\n\nThis issue affects Junos OS: \n  *  All versions before 20.4R3-S10, \n  *  from 21.4 before 21.4R3-S6, \n  *  from 22.1 before 22.1R3-S5, \n  *  from 22.2 before 22.2R3-S3, \n  *  from 22.3 before 22.3R3-S2, \n  *  from 22.4 before 22.4R3, \n  *  from 23.2 before 23.2R2;\n\n\nJunos OS Evolved: \n  *  All versions before 20.4R3-S10-EVO, \n  *  from 21.4-EVO before 21.4R3-S6-EVO, \n  *  from 22.1-EVO before 22.1R3-S5-EVO, \n  *  from 22.2-EVO before 22.2R3-S3-EVO, \n  *  from 22.3-EVO before 22.3R3-S2-EVO, \n  *  from 22.4-EVO before 22.4R3-EVO, \n  *  from 23.2-EVO before 23.2R2-EVO.","status":"published","published":"2024-07-10T23:05:27.05Z","modified":"2024-08-02T04:26:15.815Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T14:34:19.28149Z"}],"euvd":[{"id":"EUVD-2024-38040","description":"An Improper Check or Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).\n\nAn attacker can send specific traffic to the device, which causes the rpd to crash and restart. Continued receipt of this traffic will result in a sustained DoS condition.\n\nThis issue only affects devices with an EVPN-VPWS instance with IGMP-snooping enabled.\n\nThis issue affects Junos OS: \n  *  All versions before 20.4R3-S10, \n  *  from 21.4 before 21.4R3-S6, \n  *  from 22.1 before 22.1R3-S5, \n  *  from 22.2 before 22.2R3-S3, \n  *  from 22.3 before 22.3R3-S2, \n  *  from 22.4 before 22.4R3, \n  *  from 23.2 before 23.2R2;\n\n\nJunos OS Evolved: \n  *  All versions before 20.4R3-S10-EVO, \n  *  from 21.4-EVO before 21.4R3-S6-EVO, \n  *  from 22.1-EVO before 22.1R3-S5-EVO, \n  *  from 22.2-EVO before 22.2R3-S3-EVO, \n  *  from 22.3-EVO before 22.3R3-S2-EVO, \n  *  from 22.4-EVO before 22.4R3-EVO, \n  *  from 23.2-EVO before 23.2R2-EVO.","status":"published","published":"2024-07-10T23:05:27Z","modified":"2024-08-02T04:26:15Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high"}],"updated_at":"2026-11-03T03:50:18.019857Z"}],"ghsa":[{"id":"GHSA-4388-wh4q-8vc6","title":"An Improper Check or Handling of Exceptional Conditions vulnerability in the Routing Protocol...","description":"An Improper Check or Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).\n\nAn attacker can send specific traffic to the device, which causes the rpd to crash and restart. Continued receipt of this traffic will result in a sustained DoS condition.\n\nThis issue only affects devices with an EVPN-VPWS instance with IGMP-snooping enabled.\n\nThis issue affects Junos OS: \n  *  All versions before 20.4R3-S10, \n  *  from 21.4 before 21.4R3-S6, \n  *  from 22.1 before 22.1R3-S5, \n  *  from 22.2 before 22.2R3-S3, \n  *  from 22.3 before 22.3R3-S2, \n  *  from 22.4 before 22.4R3, \n  *  from 23.2 before 23.2R2;\n\n\nJunos OS Evolved: \n  *  All versions before 20.4R3-S10-EVO, \n  *  from 21.4-EVO before 21.4R3-S6-EVO, \n  *  from 22.1-EVO before 22.1R3-S5-EVO, \n  *  from 22.2-EVO before 22.2R3-S3-EVO, \n  *  from 22.3-EVO before 22.3R3-S2-EVO, \n  *  from 22.4-EVO before 22.4R3-EVO, \n  *  from 23.2-EVO before 23.2R2-EVO.","status":"published","published":"2024-07-11T00:32:50Z","modified":"2024-08-09T05:01:47Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T14:57:54.57979Z"}],"nvd":[{"id":"CVE-2024-39514","description":"An Improper Check or Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).\n\nAn attacker can send specific traffic to the device, which causes the rpd to crash and restart. Continued receipt of this traffic will result in a sustained DoS condition.\n\nThis issue only affects devices with an EVPN-VPWS instance with IGMP-snooping enabled.\n\nThis issue affects Junos OS: \n  *  All versions before 20.4R3-S10, \n  *  from 21.4 before 21.4R3-S6, \n  *  from 22.1 before 22.1R3-S5, \n  *  from 22.2 before 22.2R3-S3, \n  *  from 22.3 before 22.3R3-S2, \n  *  from 22.4 before 22.4R3, \n  *  from 23.2 before 23.2R2;\n\n\nJunos OS Evolved: \n  *  All versions before 20.4R3-S10-EVO, \n  *  from 21.4-EVO before 21.4R3-S6-EVO, \n  *  from 22.1-EVO before 22.1R3-S5-EVO, \n  *  from 22.2-EVO before 22.2R3-S3-EVO, \n  *  from 22.3-EVO before 22.3R3-S2-EVO, \n  *  from 22.4-EVO before 22.4R3-EVO, \n  *  from 23.2-EVO before 23.2R2-EVO.","status":"published","published":"2024-07-10T23:15:10.877Z","modified":"2026-06-17T07:42:05.343Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T14:10:12.016585Z"}]}}